1.      Program to find the area and perimeter of a rectangle.

1. #include <iostream>

2. #include <conio.h>

3. using namespace std;

4. int main() {

5.     int length, width, area, perimeter;

6.     cout << "Enter the length of the rectangle: ";

7.     cin >> length;

8.     cout << "Enter the width of the rectangle:  ";

9.     cin >> width;

10.     // Calculate the area

11.     area = length * width;  

12.     // Calculate the perimeter

13.     perimeter = 2 * (length + width);

14.     // Display the results

15.     cout << "Area of the rectangle: " << area << endl;

16.     cout << "Perimeter of the rectangle: " << perimeter << endl;

17.     getch();

18.     return 0;

19. }